From 100b889ccd742022b4eaeee29f68e75bdcecdc3b Mon Sep 17 00:00:00 2001 From: Sandro Tosi Date: Sat, 28 Apr 2012 11:19:37 +0200 Subject: [PATCH] Issue #14448: add reference to IANA timezone database; thanks to Georg/Nick suggestions --- Doc/library/datetime.rst | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst index b80c6a85e7d..1c4e9b92c1f 100644 --- a/Doc/library/datetime.rst +++ b/Doc/library/datetime.rst @@ -1560,11 +1560,18 @@ only EST (fixed offset -5 hours), or only EDT (fixed offset -4 hours)). .. seealso:: `pytz `_ - The Standard Library has no :class:`tzinfo` instances except for UTC, but - it exists a third-party library which brings Olson timezone database to - Python: `pytz`. + The standard library has no :class:`tzinfo` instances except for UTC, but + there exists a third-party library which brings the *IANA timezone + database* (also known as the Olson database) to Python: *pytz*. - `pytz` contains up-to-date information and its usage is recommended. + *pytz* contains up-to-date information and its usage is recommended. + + `IANA timezone database `_ + The Time Zone Database (often called tz or zoneinfo) contains code and + data that represent the history of local time for many representative + locations around the globe. It is updated periodically to reflect changes + made by political bodies to time zone boundaries, UTC offsets, and + daylight-saving rules. .. _datetime-timezone: